[Bug target/54589] struct offset add should be folded into address calculation

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54589

--- Comment #13 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Yeah, that's not going to happen.

Will it help to do some define_split or define_insn_and_split for this?